There is a mixture of compound containing imine group and compound containing amine group compound, which can not be separated or purified. The compound contains Imine and amine groups .How is Imine identified from amine?(chemical test)
Separation: treat the mixture with HCl, this will turn the amine into a chlorhydrate (water soluble depending on the rest of the organic part). You can do liquid liquid extraction or precipitate in diethyl ether.